What is a Light Year?

2024/05/0305:24:04 science 3211602

What is a Light Year? - DayDayNews

What is a Light Year? - DayDayNews

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https://www.science.org/doi/10.1126/science.abm1741 Researchers such as Zhuang Xiaowei from Harvard University used the MERFISH technology (1) developed by them to analyze the cell composition, distribution pattern and interaction of the human cerebral cortex, and further compare - DayDayNews

https://www.science.org/doi/10.1126/science.abm1741 Researchers such as Zhuang Xiaowei from Harvard University used the MERFISH technology (1) developed by them to analyze the cell composition, distribution pattern and interaction of the human cerebral cortex, and further compare

Science | Zhuang Xiaowei and other new work uses MERFISH to analyze the tissue structure of human cerebral cortex

05/15 1142

Jeffrey Sachs, chairman of the Lancet COVID-19 Committee, said: The new coronavirus does not have any natural origin. Rather, it was produced in an accident in a US biotechnology laboratory. - DayDayNews

Jeffrey Sachs, chairman of the Lancet COVID-19 Committee, said: The new coronavirus does not have any natural origin. Rather, it was produced in an accident in a US biotechnology laboratory.

Chairman of the Lancet COVID-19 Committee: The virus may have originated in a US biological laboratory

05/16 1693

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it - DayDayNews

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it

Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do

05/16 1288

Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet - DayDayNews

Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet

Russian fishermen accidentally salvaged a "chip" from 250 million years ago. Is the earth's civilization recycling?

05/15 1400

As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see - DayDayNews

As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see

The deepest secret in Guangdong, 700 meters underground

05/16 1712

The imagination of the masses is the art of creation, and it is also the shackles of self-improvement. In 1981, Hilary Putnam put forward a conjecture in "Reason, Truth, and History": A person's brain was cut off from the body and put into In a tank containing a nutrient solution - DayDayNews

The imagination of the masses is the art of creation, and it is also the shackles of self-improvement. In 1981, Hilary Putnam put forward a conjecture in "Reason, Truth, and History": A person's brain was cut off from the body and put into In a tank containing a nutrient solution

Metaverse - "the ultimate dream" or "just a fantasy"?

05/16 1970

But if you ask who the modern rain god is, most people surfing the Internet should be able to answer immediately, and that is Jam Hsiao. People say that this long-lasting rain occurred in the Triassic Period 233 million years ago, and it cannot be said that this rain fell for mor - DayDayNews

But if you ask who the modern rain god is, most people surfing the Internet should be able to answer immediately, and that is Jam Hsiao. People say that this long-lasting rain occurred in the Triassic Period 233 million years ago, and it cannot be said that this rain fell for mor

There was a rain on the earth that lasted for more than 2 million years. Is it possible to happen again in the future?

05/15 1041

Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains, - DayDayNews

Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains,

A short, stemless plant in the mountains, known as "Unique", its functions are comparable to "Golden Medicine"

05/16 1874

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata - DayDayNews

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata

Scientists synthesize new antibacterial platinum compound

05/16 1563

Everyone’s genome has various variations, like precious “mutants”, which provide important materials for studying gene function (1). - DayDayNews

Everyone’s genome has various variations, like precious “mutants”, which provide important materials for studying gene function (1).

Nature | Analysis of 454,787 human protein coding sequences reveals the impact of genetic variation on health

05/15 1211

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland". - DayDayNews

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".

Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!

05/17 1924

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.” - DayDayNews

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”

19 photos of natural beauty that will completely mesmerize you

05/17 1539

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to - DayDayNews

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to

"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?

05/17 1119

On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri - DayDayNews

On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri

rare! As hot and high pressure climbs up the Tibetan Plateau, will there be problems with the glaciers? Analysis: Northwest or extreme heat

05/17 1033

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i - DayDayNews

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i

Among the Chinese, Russian and American space station cabins, whose sleeping area is the best? The Tianhe cabin sleeping area is simply a luxury version

05/17 1011

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for - DayDayNews

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for

"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception

05/17 1899

First, there was the victory incident, and the heat has not dissipated. In the past two days, another piece of news has exploded. Not to mention that the Douban score is as high as 9.3, but also because it is not only a movie, but also prompted South Korea to change the law at th - DayDayNews

First, there was the victory incident, and the heat has not dissipated. In the past two days, another piece of news has exploded. Not to mention that the Douban score is as high as 9.3, but also because it is not only a movie, but also prompted South Korea to change the law at th

The number of moviegoers exceeded one million within 8 days of its release. The Korean version of Tom Cruise made his debut as a lawyer, performing a fresh crime film.

05/17 1255

The masterpiece "Mission: Impossible" series is more popular than the last one, but Tom Cruise, who is so well-known for his acting skills, will sometimes be disliked by fans. Can you believe it? - DayDayNews

The masterpiece "Mission: Impossible" series is more popular than the last one, but Tom Cruise, who is so well-known for his acting skills, will sometimes be disliked by fans. Can you believe it?

Tom Cruise, who is 173cm tall, was deemed too short by fans of the original movie, so the movie he starred in was recast.

05/17 1413

The day before yesterday was the 55th birthday of "Tom Cruise" Tom Cruise. Although this most desperate action star in Hollywood is only 170cm tall, he is a legend among male actors since the 1980s and the most eye-catching movie in the world. One of the stars. - DayDayNews

The day before yesterday was the 55th birthday of "Tom Cruise" Tom Cruise. Although this most desperate action star in Hollywood is only 170cm tall, he is a legend among male actors since the 1980s and the most eye-catching movie in the world. One of the stars.

Tom Cruise doesn’t strive for height and acting skills? 30 Hollywood actors who are less than 175cm tall!

05/17 1887

Recently, one of the scandal targets, Renee Bargh, responded to her relationship with Tom Cruise. Renee is from Australia and is a host. She does a lot of red carpet events and has many opportunities to get in touch with Hollywood's top names. - DayDayNews

Recently, one of the scandal targets, Renee Bargh, responded to her relationship with Tom Cruise. Renee is from Australia and is a host. She does a lot of red carpet events and has many opportunities to get in touch with Hollywood's top names.

Tom Cruise, who loves tall beauties, was rumored to be having an affair with the long-legged anchor 172. Two years later, the actress responded

05/17 1139

Suri, who has a slim appearance, is as tall as her 175cm actress mother, and her long legs are very eye-catching. Although she doesn't have any big-name clothes, her temperament and appearance are still outstanding among the crowd. - DayDayNews

Suri, who has a slim appearance, is as tall as her 175cm actress mother, and her long legs are very eye-catching. Although she doesn't have any big-name clothes, her temperament and appearance are still outstanding among the crowd.

Tom Cruise's good-looking daughter has grown up. At the age of 15, she is as tall as her mother. Her simple clothes don't look like the second generation star.

05/17 1999

"Top Gun 2: Maverick" was released in North America at the end of May this year, and the North American box office completely exploded! As of this week, the film's North American box office has exceeded 400 million US dollars, becoming the North American box office champion in 20 - DayDayNews

"Top Gun 2: Maverick" was released in North America at the end of May this year, and the North American box office completely exploded! As of this week, the film's North American box office has exceeded 400 million US dollars, becoming the North American box office champion in 20

How charming was Tom Cruise, who is about to turn 60 years old?

05/17 1902